Question 277635
the length and width of the sheet will both be reduced by 2 corner square sizes (one at each end)
___ these reduced dimensions are the length and width of the base


(11 - 2x) (14 - 2x) = 80


154 - 50x + 4x^2 = 80


2x^2 - 25x + 37 = 0


use quadratic formula to find x